# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-03-11 09:26:53 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/10315001796) In reply to: [@None](http://twitter.com/None/status/10314319590) @aminorjourney Can't upgrade to 10.6.3 either as it breaks Atom support.